staging/rdma/hfi1: diag.c add missing braces

Else statements should continue using braces even if there is only 1 line in
the block.  Found by checkpatch --strict

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rdma/hfi1/diag.c b/drivers/staging/rdma/hfi1/diag.c
index f687ddf..ed9cfcc 100644
--- a/drivers/staging/rdma/hfi1/diag.c
+++ b/drivers/staging/rdma/hfi1/diag.c
@@ -954,12 +954,14 @@
 				ret = -EFAULT;
 			else
 				ret = packet->total_len;
-		} else
+		} else {
 			ret = -EINVAL;
+		}
 
 		kfree(packet);
-	} else
+	} else {
 		spin_unlock_irqrestore(&dd->hfi1_snoop.snoop_lock, flags);
+	}
 
 	return ret;
 }